1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
Copyright (C) 2005 by Olivier Goffart
ogoffart@kde.org
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_ARTS
#include "soundrecorder_arts.h"
#include <arts/kaudiorecordstream.h>
#include <arts/kartsserver.h>
#include <arts/kartsdispatcher.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqtimer.h>
#define FS 11025
#define BITS 16
#define ABS(X) ( ((X)>0) ? (X) : -(X) )
extern "C"
KDE_EXPORT
KHotKeys::SoundRecorder* khotkeys_soundrecorder_create( TQObject* parent, const char* name )
{
return new KHotKeys::SoundRecorderArts( parent, name );
}
namespace KHotKeys
{
SoundRecorderArts::SoundRecorderArts(TQObject *parent, const char *name)
: SoundRecorder(parent, name) ,
m_dis(new KArtsDispatcher( this) ),
m_server( new KArtsServer( this ) ) ,
m_recStream( new KAudioRecordStream( m_server, i18n("khotkeys"), m_server ) )
{
create_ptr check = khotkeys_soundrecorder_create; // check the type matches
( void ) check;
m_recStream->usePolling( false );
connect( m_recStream, TQT_SIGNAL(data (TQByteArray &)), this, TQT_SLOT(slotDataReceived(TQByteArray& )));
}
SoundRecorderArts::~SoundRecorderArts()
{
delete m_recStream;
delete m_server;
delete m_dis;
}
void SoundRecorderArts::start()
{
m_recStream->start(FS,BITS,2);
m_data.resize(0);
}
void SoundRecorderArts::stop()
{
m_recStream->stop();
TQTimer::singleShot(400,this,TQT_SLOT(slotEmitSignal()));
}
void SoundRecorderArts::abort()
{
m_recStream->stop();
m_data.resize(0);
}
Sound SoundRecorderArts::sound()
{
Sound s;
uint BytePS=BITS/8;
uint length=m_data.size()/BytePS;
TQMemArray<Q_INT32> da(length);
s.max=0;
s._fs=FS;
for(uint f=0;f<length; f++)
{
#if BITS==8
int nb=(unsigned char)(m_data[f]) -128;
#elif BITS==16
int nb=(m_data[2*f] &0x000000FF ) | ( (m_data[2*f+1] &0x000000FF ) << 8 ) ;
if(nb & (1<< 15))
nb = nb-(1<<16);
#else
#error BITS is not 16 or 8
#endif
if(s.max < (uint)ABS(nb))
{
s.max= (uint)ABS(nb);
}
da[f]=nb;
}
s.data=da;
return s;
}
void SoundRecorderArts::slotDataReceived(TQByteArray & data)
{
uint pos=m_data.size();
m_data.resize(pos + data.size());
for(uint f=0;f<data.size(); f++)
{
m_data[pos+f]=data[f];
}
}
void SoundRecorderArts::slotEmitSignal()
{
emit recorded( sound() );
}
}
#include "soundrecorder_arts.moc"
#endif
|
